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), a crystallized variety of dolomite, having a pearly luster. -- Pearl white. (a) Basic bismuth nitrate, or bismuth subchloride; - - used chiefly as a cosmetic. (b) A variety of white lead blued with indigo or Berlin blue.

f tin with a little lead, but afterwards modified by the addition of copper, antimony, or bismuth.

tance discovered by M. and MMe. Curie in pitchblende. It is closely related chemically to bismuth. It emits only alpha rays and is perhaps identical with radium F.

Vanadate of bismuth, occurring in minute reddish brown crystals.

wter or britannia, and consisting essentially of tin with a slight admixture of antimony, bismuth, and lead or copper. -- Queen's pigeon. (Zoöl.) Same as Queen pigeon, above. -- Queen's ware, glazed English earthenware of a cream color. -- Queen's yellow (Old Chem.), a heavy yellow powder consisting of a basic mercu…

essing metallic properties in an inferior degree and not malleable, as arsenic, antimony, bismuth, molybdenum, uranium, etc. [Obs.]

th tellurous compounds; as, telluric acid, which is analogous to sulphuric acid. Telluric bismuth (Min.), tetradymite. -- Telluric silver (Min.), hessite.

A telluride of bismuth. It is of a pale steel-gray color and metallic luster, and usually occurs in foliated masses. Calles also telluric bismuth.

slight differences and degrees of heat. It is composed of alternate bars of antimony and bismuth, or any two metals having different capacities for the conduction of heat, connected with an astatic galvanometer, which is very sensibly affected by the electric current induced in the system of bars when exposed even to…

f nitric acid; also, less properly, applied to certain basic nitrates; as, trisnitrate of bismuth.

one or two parts of cadmium, two parts of tin, four of lead, with seven or eight part of bismuth. It melts at from 66º to 71º C. See Fusible metal, under Fusible.